431120143 has 16 divisors (see below), whose sum is σ = 452782080. Its totient is φ = 410151456.

The previous prime is 431120077. The next prime is 431120149. The reversal of 431120143 is 341021134.

It is a cyclic number.

It is not a de Polignac number, because 431120143 - 2¹³ = 431111951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431120143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431120149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247905 + ... + 249637.

It is an arithmetic number, because the mean of its divisors is an integer number (28298880).

Almost surely, 2^431120143 is an apocalyptic number.

431120143 is a deficient number, since it is larger than the sum of its proper divisors (21661937).

431120143 is a wasteful number, since it uses less digits than its factorization.

431120143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 431120143 is about 20763.4328327471. The cubic root of 431120143 is about 755.4390633605.

Adding to 431120143 its reverse (341021134), we get a palindrome (772141277).

Subtracting from 431120143 its reverse (341021134), we obtain a palindrome (90099009).

The spelling of 431120143 in words is "four hundred thirty-one million, one hundred twenty thousand, one hundred forty-three".